Element for a toy building set



FIG. 1 is a top perspective view of the element for a toy building setshowing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof, the other side being a mirrorimage;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The ornamental design for an element for a toy building set, as shownand described.